Multiplex Twister EDF

Multiplex Twister EDF
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Multiplex Twister EDF - 6/18/2007 1:14:45 AM

R/C FLYR

Posts: 156
Joined: 1/16/2005
From: Maplewood, MN, USA
Status: offline

Hello, any one out there know when this will be available in the u.s. It looks awesome!! R/C FLYR

Post #: 1

RE: Multiplex Twister EDF - 7/7/2007 9:53:41 PM

MarkJayne

Posts: 55
Joined: 1/23/2005
From: AberystwythUK, UNITED KINGDOM
Status: offline

Here's a HD video of the Twister www.rcflights.co.uk/Videos1/Twister3.wmv

Mark

(in reply to R/C FLYR)

Post #: 2

RE: Multiplex Twister EDF - 7/11/2007 11:23:56 PM

jrt20001

Posts: 21
Joined: 9/25/2004
From: Maple Ridge, BC, CANADA
Status: offline

Hello
Tower hobbies has it schedule for late July.
Should be a good one!

(in reply to MarkJayne)

Post #: 3

RE: Multiplex Twister EDF - 7/25/2007 4:21:46 PM

Rob Howarth

Posts: 67
Joined: 5/11/2005
From: Wooburn Green, UNITED KINGDOM
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Guys,

I bought one of these Twisters and was excited to get it in the air yesterday - .............. what a let down. The aircraft is nothing as I would have expected. My set up is a 3s Thunder Tiger 2100 lipo, Hacker X40 ESC, 146i Futaba RX and the servos as recommended.

Performance was VERY poor, just about managing a reasonable vertical line from a dive. Hand launch performance also not too good. Straight line speed well below what I would have expected. General presence and 'groove' was just not there. I had expected much better things.

C of G is spot on - I did try moving it forward to fly more solid, then rearward to see the effect - not much. Lipos are in good condition as well.

Anybody else have any experiences with this a/c that they are willing to share?

RH

< Message edited by Rob Howarth -- 7/25/2007 9:09:38 PM >

(in reply to jrt20001)

Post #: 4

RE: Multiplex Twister EDF - 7/29/2007 9:17:56 PM

patzane

Posts: 597
Joined: 11/11/2005
From: Glendale, AZ, USA
Status: offline

from the vid it look like it was not good

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(in reply to Rob Howarth)

Post #: 5

RE: Multiplex Twister EDF - 7/30/2007 5:09:17 AM

tIANci

Posts: 8565
Joined: 1/15/2004
From: Kuala Lumpur, MALAYSIA
Status: offline

Rob - how many Cs are your batts. For my 70mm fan I will be running 2,500 20C packs as a minimum. The Twister with the Himax motor will be pushing 40+As. Your batts will be working hard. You running the Himax motor that it comes with? We assume that the video from MPX is the stock set up.

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Post #: 6

RE: Multiplex Twister EDF - 7/31/2007 11:50:58 AM

Rob Howarth

Posts: 67
Joined: 5/11/2005
From: Wooburn Green, UNITED KINGDOM
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tIANci,

My fan and motor is standard, my batteries, Thunder Power 3s 2100mah - 16C. May it be that the batteries need to have a higher discharge rate?

Rob

(in reply to tIANci)

Post #: 7

RE: Multiplex Twister EDF - 8/1/2007 12:16:33 PM

a65l

Posts: 1482
Joined: 12/7/2003
From: va veach, VA, USA
Status: offline

Rob,
With a 16C 2100 battery you'll only be able to draw about 30 amps. Not nearly enough for your setup. If space is an issue you could try one of the new TP Extreme batteries, they're supposed to be good to 50 amps. The other option is to use a larger battery, but I'd try and stick with a minimum 20C discharge rate.

Andy

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(in reply to Rob Howarth)

Post #: 8

RE: Multiplex Twister EDF - 8/1/2007 3:19:25 PM

tIANci

Posts: 8565
Joined: 1/15/2004
From: Kuala Lumpur, MALAYSIA
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Rob - the batts are only 16C and when its loaded the battery is holding its voltage at a lower level. It would be great if you can run on the new 25C batts of about 2,170 mAh. Today branded 20C and 25C batts cost about the same. For EDF performance its not worth going with the cheaper packs that are made in China. The Himax motor that it comes with is a 300W motor I believe.

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Its nice to be important, but its more important to be nice ...
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(in reply to a65l)

Post #: 9

RE: Multiplex Twister EDF - 8/1/2007 4:19:50 PM

martinh

Posts: 48
Joined: 6/30/2002
From: BirminghamWest Midlands, UNITED KINGDOM
Status: offline

quote:

ORIGINAL: Rob Howarth

Guys,

I bought one of these Twisters and was excited to get it in the air yesterday - .............. what a let down. The aircraft is nothing as I would have expected. My set up is a 3s Thunder Tiger 2100 lipo, Hacker X40 ESC, 146i Futaba RX and the servos as recommended.

Performance was VERY poor, just about managing a reasonable vertical line from a dive. Hand launch performance also not too good. Straight line speed well below what I would have expected. General presence and 'groove' was just not there. I had expected much better things.

C of G is spot on - I did try moving it forward to fly more solid, then rearward to see the effect - not much. Lipos are in good condition as well.

Anybody else have any experiences with this a/c that they are willing to share?

RH

2500 3S 20 C is the minimum recommended

Mine's The same 2500 3S EVO 20C Tornado 40 Amp ESC

Seems very slow compared to standard Kyosho 45 EDF landed after 4 mins in no wind and needed a helper to hand launch ( could only hand launch it myself off a slight slope of about 10 feet as it's hard to hold in one hand )

Maybe there to much voltage drop with the long leads to the ESC and can't see 3200 20C 3s being much better

Q&EF review looks exaggerated and misses points like the English instruction control throws are wrong use the French or German Values

Overall feels slow and pokeless but easy to see and control

I expected it to fly at 50% throttle say 20A continous but neaded to be all out so it started to slow after two mins

The review hints at the use of a 3700 3S 20C pack but maybe 3700 20C 4s would be better even risking a little overspeed of the fan ?

The manual fails to reccmmend an ESC size anyway ! but 60A may be nearer the mark ?

BTW I tacked my Fan cover in with thick CA before taping with silver Gaffa tape as I did not want to risk it falling out

Also check your servo lead length before glueing aileron servo extensiions in the fuz

When joining the Fuz halves I just thick CA'd the center part and then worked round the edges with medium CA and Kicker in hand

Looking forward to more comments

Thanks Martin

I watched the video with the sound off (the sound makes look faster) certainly my circuit performance was similar for the first couple of minutes and about the same for the slower flypasts but I certainly would or could not match the fast vertical stufff

< Message edited by martinh -- 8/1/2007 5:17:41 PM >

(in reply to Rob Howarth)

Post #: 10

RE: Multiplex Twister EDF - 8/1/2007 6:31:55 PM

Rob Howarth

Posts: 67
Joined: 5/11/2005
From: Wooburn Green, UNITED KINGDOM
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Guys,

Thank you for all of your feedback and thoughts. I've got myself some TP Extreme 2200 3S 25C lipo's to try, hopefully this will make an improvement. Not sure if my Hacker X40 ESC will be up to the job though?!

Rob

(in reply to martinh)

Post #: 11

RE: Multiplex Twister EDF - 8/1/2007 10:02:06 PM

MarkJayne

Posts: 55
Joined: 1/23/2005
From: AberystwythUK, UNITED KINGDOM
Status: offline

The stock setup on a 3s 3700mah 20C pulls 35Amps. I'm on my second Twister and am pretty happy with the performance. It doesn't have unlimited vertical or 100mph+ straight line speed, but does have a great scale look in the air.
I'm more than happy.

Mark
www.rcflights.co.uk

(in reply to Rob Howarth)

Post #: 12

RE: Multiplex Twister EDF - 8/2/2007 1:54:23 AM

martinh

Posts: 48
Joined: 6/30/2002
From: BirminghamWest Midlands, UNITED KINGDOM
Status: offline

Mark

On reflection the first few flights always seem shorter than when ones used to the model and ahead of the game, but it certainly seemed to sag quickly powerwise on 2500 3s 20C.

On my Kyosho 45 I first tried some 10C 880 Kokams which just did not give enough power/duration, but an EVO 1200 20C was perfect with a 7-8 min comfortable flight time at 60-70% throttle. So initial disappointment or misjudgement of power needs can soon be overcome. (at a price

)

The price here looks like a 60A ESC and 3700 4s or 3700s 20C EVO for 6-8 minutes of good flight £90 or £170

Martin

(in reply to MarkJayne)

Post #: 13

RE: Multiplex Twister EDF - 8/2/2007 8:05:23 PM

MarkJayne

Posts: 55
Joined: 1/23/2005
From: AberystwythUK, UNITED KINGDOM
Status: offline

The thing you have to consider with a 4s 3700 is the extra weight. My 3s 3700 weighs in at 305g, so I'd imagine a 4s would be around another 100g. With that much more weight in the nose, your CG will be very hard to set unless you add even more weight to the tail. You could go for a lower capacity 4s, but your flight times will be pretty poor.

Mark.

(in reply to martinh)

Post #: 14

RE: Multiplex Twister EDF - 8/7/2007 11:28:33 AM